CVE-2021-26474

Name: CVE-2021-26474
Creator: NVD / NIST
Published: 2021-06-08T19:15:08.343+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.71%

Last modified Jun 17, 2026

CVE-2021-26474 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Various Vembu products allow an attacker to execute a (non-blind) http-only Cross Site Request Forgery (Other products or versions of products in this family may be affected too.). EPSS estimates a 0.71% chance of exploitation in the next 30 days.

Description

Various Vembu products allow an attacker to execute a (non-blind) http-only Cross Site Request Forgery (Other products or versions of products in this family may be affected too.)

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.71%

48.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Vembu	Bdr Suite	< 4.2.0
Vembu	Offsite Dr	4.2.0
Vembu	Offsite Dr	4.2.0.1

References

https://csirt.divd.nl/2021/05/11/Vembu-zero-days/Third Party Advisory
https://csirt.divd.nl/cases/DIVD-2020-00011/Third Party Advisory
https://csirt.divd.nl/cves/CVE-2021-26474/Third Party Advisory
https://www.wbsec.nl/vembuThird Party Advisory
https://csirt.divd.nl/2021/05/11/Vembu-zero-days/Third Party Advisory
https://csirt.divd.nl/cases/DIVD-2020-00011/Third Party Advisory
https://csirt.divd.nl/cves/CVE-2021-26474/Third Party Advisory
https://www.wbsec.nl/vembuThird Party Advisory

Timeline

Published: Jun 8, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-26474?

Various Vembu products allow an attacker to execute a (non-blind) http-only Cross Site Request Forgery (Other products or versions of products in this family may be affected too.)

How severe is CVE-2021-26474?

CVE-2021-26474 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.

How do I fix CVE-2021-26474?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-26474?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST